NEW AL-CU-LI-MG-AG-MN-ZR ALLOY FOR USE AS STRACTURAL MEMBERS REQUIRING HIGH STRENGTH AND HIGH FRACTURE TOUGHNESS - Patent 1641953

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EP 1 641 953 A1

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(43)	Date of publication:
	05.04.2006 Bulletin 2006/14

(21)	Application number: 04753337.7

(22)	Date of filing: 26.05.2004

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International Patent Classification (IPC):

C22C 21/12^(1974.07)

(86)	International application number:
	PCT/US2004/016494

(87)	International publication number:
	WO 2004/106570 (09.12.2004 Gazette 2004/50)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

28.05.2003 US 473443 P

(71)	Applicant: Pechiney Rolled Products
	Ravenswood, WV 26164 (US)

(72)	Inventor:
	CHO, Alex Charleston, WV 25301 (US)

(74)	Representative: Pigasse, Daniel
	Pechiney, 217, cours Lafayette 69451 Lyon Cedex 06 69451 Lyon Cedex 06 (FR)

(54)	NEW AL-CU-LI-MG-AG-MN-ZR ALLOY FOR USE AS STRACTURAL MEMBERS REQUIRING HIGH STRENGTH AND HIGH FRACTURE TOUGHNESS